Sienese painting: the art of a city-republic (1278-1477)

'An art born amidst city streets'

Duccio and the religion of the commune

Simone Martini: 'new sweet style'

Pietro Lorenzetti: towards a Franciscian art

Ambrogio Lorenzetti: golden age returns

After the black death (1348-1420)

Second flowering: Sassetta

Giovanni di Paolo: chessboard journey

Lost cause: from the master of the osservanza to Francesco di Giorgio

Rediscovery.